Bump spring-boot-maven-plugin from 1.5.13.RELEASE to 2.3.3.RELEASE

Bumps [spring-boot-maven-plugin](https://github.com/spring-projects/spring-boot) from 1.5.13.RELEASE to 2.3.3.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v1.5.13.RELEASE...v2.3.3.RELEASE)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

pom.xml

@@ -115,7 +115,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                <version>1.5.13.RELEASE</version>
+                <version>2.3.3.RELEASE</version>
             </plugin>
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>